Charles e



(No Model.)

0. E. RAMUS.

CUTTING DIE.

' Patentd Jan. 14,1890. fgl.

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UNITED STATES PATENT OFFICE.

CHARLES E.- RAMUS, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF To HENRYR. REINHART AND MYNDERs C. RUSsELL, OF sAME PLACE.

CDUTTING-DIE.

SPECIFICATION forming part of Letters Patent No. 419,357, dated January14, 1890.

' Application filed June 13, 1889. Serial No. 314,138. (No model.)

To all whom it may concern.-

Be it known that 1, CHARLES E. RAMUs, a citizen of the United States,residing at Ohicago, Illinois, have invented certain new and usefulImprovements in Dies for Cutting Fabric, of which the following is aspecification. 7

My invention relates to an improved means for cutting scraps of leatheror other fabric 10 of irregular form into a continuous strip; and

.my invention consists in a device comprising a two-part die, each partprovided with cutting-knives, concentrically arranged with theircutting-edges lying in the same plan e, the parts being secured injuxtaposition, whereby it is adapted to cut a single scrap of leather orother fabric of irregular form into a continuous strip. Such strips,when made of leather, are adapted to be used for horse fly- 2o nets,shoestrings, and for similar purposes.

In the accompanying drawings, Figure 1 is a plan View of the two dies.Fig. 2 is a perspective view of one of the dies and showing the methodof forming it, and Fig. 3 is a 2 5 longitudinal section through the bodyof one of the dies.

In the drawings, A B represent the two parts, which are preferablyelliptical in form, and consist of the strip 0, having the cutting- 0edge 0, wound with the blank D,of less width than the strip 0, thewinding being performed from the center outwardly, so that when the dieis completed the cutting-edges c or knives are concentrically arranged.The

3 5 parts A B are secured preferably end to end in a suitable chuck E,and the outer knives of each die are in close juxtaposition, so that ifa single scrap of leather be laid upon the cutting-faces of the two diesand the latter o forced into the leather a continuous strip will be cuttherefrom, the ends of which will be at the central part of the dies,respectively.

It will be Seen that one of the parts or sections of the die hascutting-edges which describe a spiral generated in one direction,

while the other part or section has cuttingedges which describe aspiralgenerated in the opposite direction From this it results that thestrip or thong is formed by the outer knives at the point of junctionbetween the two parts or sections, and thereby is made continuous. v

The form of the die may be varied-as, for example, the parts may becircular instead of elliptical, and the cutting-edges may be formed inany convenient way. I do not limit myself, therefore, to the precisearrangement and construction of parts, as my invention includes, broadlystated, the twopart dies when adapted, substantially as hereindescribed, to cut a continuous strip from a single scrap of leather orother fabric.

In the foregoing I have spoken of the device as consisting of two parts;but I do not mean to be understood that the device comprises, whenarranged for use, two separate dies, as the parts marked A B in thedrawings are soldered or otherwise secured together side by side, so asto form practically one die with two centers and having the knife orcutting-edges continuous.

I claiIn 1. A cutting-die composed of two reverse sections, eachprovided with spiral cuttingedges bounding interveningblank spaces andlying in the'sarne plane, the cutting-edges of one section describing aspiral generated in one direction and the cutting-edges of the othersection describing a spiral generated in the opposite direction, wherebythe die is adapted to cut a scrap of fabric of irregular form into acontinuous strip or thong, substantially as described.

2. A cutting-die Comprising a flexible rib bon-knife Coiled spirallywith a blank spacing strip from the center outward to form one sectionof the die and from the outside inward to form the second section, saiddie being clamped, as described, and adapted to cut a continuous thongor strip from an irregular blank or scrap, substantially as set forth.

CHARLES E. RAMUS.

Witnesses:

T. D. BUTLER, FREDERICK C. GooDwIN.

